INDEX. 



835 



Ultra-Microscopical Particles, Leitz' Appa- 

 ratus for Observation, 502 



Ultra-Violet Light, Photomicrography, 

 513 



Mercury Lamp, New (" Uviol " 



Lamp). 751 



Photomicrography with the Aid 



of, 103 



Umbelliferse, Pucciniae found on, 221 



Undulatory Theory, Application to Optical 

 Problems, 395, 401 



Ungulate Mammals, New Order, 43 



Unionidse. North American, Derivation, 

 690 



Urate Cells in Hymenoptera, 589 



Uredineaj. 86, 475, 730 



— Distribution on their Host Plants, 87 



— Infection Experiments, 87 



— North American, 622 



— Notes, 222, 346 



— On the Vegetative Life of some, 221 



— Swiss, 347 



Urinary Sediment, Method of Staining and 



Permanently Preserving, 774 

 Urns of Sipunculus nudus, 56 

 Uromyces brevipes and V. punctatostriatus, 

 Notes on Uredospores, 221 



— punctatostriatus and U. brevipes, Notes 



on Uredospores, 221 

 Uromyces on Leguniinosse, 89 

 Ursprung, A., Periodicity of Growth in 



Thickness in Tropics, 198 

 Usnea. Anatomy of the Genus, 230 



— Studies, 481 



UstilaginesB, North American, 345 



Ustilago Conidia, Fusion, 730 



Uterine Mucous Membrane in Tarsius, 



Involution, 166 

 Uyeda, Y., Tobacco Wilt Disease, 100 

 Uzel, J., Cercospora betic.ola Parasitic on 



Sugar and Fodder Beet, 622 



V. 



Vacuole, Contractile in Amoeba, 191 

 Valle'e, M., Ticks as Transmitters of 



Bovine Diseases, 435 

 Vanessa antiopa, Phototropism, 50 

 Vaney, C, Deep-Sea Holothuroids of 

 Indian Ocean, 444 



— New Holothurian from French Coast, 



599 

 Vanha, J., Brown Discoloration of Potato 



Leaves, 90 

 Variability of Hypoihele repanda. Notes, 



223 

 Variation of California Plants. 199 

 Vascular and Respiratory Systems of Cera- 

 todus, Development, 576 



— Bundles in Stem and Leaves of some 



Dicotyledons, Arrangement, 63 



— System of Ceratodus, Development, 294 

 of Oligochseta. 700 



Vassal, J. J., New Haaniatozoon in a 



Squirrel, 601 

 Vaucheria, Oogenesis. 78 

 Vegetable Pathology, 225, 617 

 Vegetation, Relation of Soils to, 200 

 Vegetative Life of some Uredineae, 221 

 Vein, Post-Caval, Phylogeny, 429 

 Veins, Segmental, in Amphioxus, 46 

 Veley, L. J., Bacterial Rods of Pelomyxa 



palustris, 630 

 Venous System, Development, in the Mole, 

 167 



of Chelonia, Investigating Anatomy 



and Development, 762 

 Ventral Tube ot Tomoceras, 182 

 Vermaat, P., Epithelium of Stomach, 170 

 Vertebra ta. See Contents, viii 

 Vertebrates and Crustacea, Adipogenic 

 Function, 47 



— Brain Weight, 685 



— Eyes, 42 



— Intra- and Extra-Cellular Nerve Nets, 



168 



— Olfactory Buds, 169 



— Peripheral Nerves, 168 



— Structure of Hypophysis, 169 

 Vertical Illuminator, Improved Methods 



of Working with, 251 



New, for Metallurgical Examina- 

 tions, 506 



Vessels, Fine, Injection, 763 



Vezey, J. J., 269 



Viala, P., Stearophora radicicola, 472 



Vibrio aquatilis fluoresceins, Two Varieties, 

 633 



— cardii, 362 



Vickers, A., Marine Alga? of Barbadoes, 



464 

 Vigier, P., Histology of Molluscan Heart- 

 Muscle, 304 



— Myocardium in Primitive Molluscs. 303 

 Villard, J., Pigment of Silk of Anthercea 



y ana-ma i, 51 

 Vine, Two New Pests, in Hungary, 224 



— Wint. ring of Peronospora in, 217 

 Viper Embryos, Ahsorption of Yolk, 165 

 Vipera and Tropidonotus, Ear - Bones, 



299 

 Viper's Eggs, Poison in, 581 

 Vire', A., Cave Faunas, 301 

 Virulence and Immunising Powers of 



Micro-Organisms, 631 

 Visibility of Isolated Elements in the 



Microscope, Limit, 521 

 Vision, Microscopical, Theories of. 540, 541 

 Vital Staining, Theory, 773 

 Vitality of Yeast in Varying Conditions, 



219 

 Vitelline Membrane, Artificial Production 



in Unfertilised Ova of Sea Urchin, 318 

 Vitellogenous Layer and Mitochondria in 



Ova of Mammals, 576 

 Viviparity in Eumesostominse, 188 

 Viviparous Aphides, Maturation, 306 



3 K 2 



